The paper simulates the working conditions of high-performance fly ash concrete in frozen region,establishes the mathematical model of high-performance fly ash concrete carbonization law in frozen region with bi-dimensional regression of the experimental results,and finds out minimum fly ash amount and lime amount of the carbonization,which has provided scientific basis for design and construction.%模拟研究了季冻地区粉煤灰高性能混凝土的工作状态和工作条件，并通过对试验结果的二维回归分析，建立了季冻地区粉煤灰高性能混凝土碳化规律的数学模型，得出了碳化程度最小时的粉煤灰加入量与石灰加入量，为设计和施工提供了科学合理的依据。
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